1200100122049 has 2 divisors, whose sum is σ = 1200100122050. Its totient is φ = 1200100122048.

The previous prime is 1200100122029. The next prime is 1200100122083. The reversal of 1200100122049 is 9402210010021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1105374671424 + 94725450625 = 1051368^2 + 307775^2 .

It is an emirp because it is prime and its reverse (9402210010021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1200100122049 - 2⁵ = 1200100122017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200100122019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600050061024 + 600050061025.

It is an arithmetic number, because the mean of its divisors is an integer number (600050061025).

Almost surely, 2^{1200100122049} is an apocalyptic number.

It is an amenable number.

1200100122049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200100122049 is an equidigital number, since it uses as much as digits as its factorization.

1200100122049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 1200100122049 in words is "one trillion, two hundred billion, one hundred million, one hundred twenty-two thousand, forty-nine".